CN102899888B - Preparation method of bacterial cellulose base power generating fibers and yarns - Google Patents
Preparation method of bacterial cellulose base power generating fibers and yarns Download PDFInfo
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- CN102899888B CN102899888B CN201210412670.5A CN201210412670A CN102899888B CN 102899888 B CN102899888 B CN 102899888B CN 201210412670 A CN201210412670 A CN 201210412670A CN 102899888 B CN102899888 B CN 102899888B
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Abstract
The invention discloses a preparation method of bacterial cellulose base power generating fibers. The preparation method comprises the steps of conducting vacuum sputtering coating of metals such as gold, silver, copper and aluminum on bacterial cellulose superfine fiber strips, then conducting vacuum sputtering or evaporation processing by zinc to obtain bacterial cellulose B, and taking out the bacterial cellulose B for later use; putting the bacterial cellulose B into an amine salt solution, reacting for a period of time to form bacterial cellulose C; and conducting metalized electric conduction on the bacterial cellulose C to prepare the bacterial cellulose fibers capable of power generation. The finished product prepared by the invention is bacterial cellulose base power generating fibers and yarns which can be processed thoroughly by the existing spinning-weaving technology. The bacterial cellulose base power generating fibers and yarns can form mechanical power generation assemblies with different scales and sizes, and can be widely applied to the fields of environment monitoring, biological chip implantation in vivo, automobiles, buildings, military and the like which have the requirements on different sizes and different powers of self power generation assemblies.
Description
Technical field
The present invention relates to the preparation method of a kind of bacteria cellulose base generating fiber and yarn, particularly a kind of bacteria cellulose base that can be applied to miniature, high-performance electronic apparatus and the self-powered of sensor preparation method of fiber and yarn that generates electricity.
Background technology
Along with the development of economic society, electricity has been a part indispensable in society.The present power status of China is city short of electricity, remote without electricity, spring and autumn paddy, summer in winter peak.Although the engineering of transferring electricity from the west to the east has been opened by country, the power loss of long distance powedr transmission and high track laying expense make the cost of electric power go up not down.The data demonstration of China Electricity Council's issue, within 2011, China's power consumption reaches 4.69 trillion kilowatt hours, increases by 11.7% on a year-on-year basis.Within 2010, the maximum breach of power supply and demand is 3,000 ten thousand kilowatts; Meeting maximum breach during the kurtosis summer is 2,500 ten thousand kilowatts.At present, generated energy far can not meet the demand of economic growth.
Yet capacity of installed generator is also reducing year by year, within 2011, the newly-increased capacity of installed generator in the whole nation has surpassed 9,000 ten thousand kilowatts, but the scale in fact effectively increasing reduces.Thermoelectricity is China generating main force, yet thermoelectricity loses electric look forward to losing investment drive and the ability of making year after year, and thermoelectricity investment decline continuously and healthily, by 2,271 hundred million yuan of 1,054 hundred million yuan of reducing to fast 2011 of 2005.The variation of weather causes occurring that extremely cold, very hot weather and electric coal price lattice continue the anxiety that run at high level has also aggravated electricity consumption.Therefore, a few years from now on electric power breach will continue to expand certainly, estimate will reach for 2012 5000 ten thousand kilowatts.Electric power supply is not enough causes " hard short of electricity " phenomenon unavoidable.Moreover from far-off regions due to landform and fund, a lot of local power supplies are restricted does not even also switch on.Military combat, interchange, traffic etc. during pleasure trip on foot are because entrained electric weight is limited and can not remain permanent, for meagrely-populated region, the supply of power equipment is also a problem, current large-scale TRT is more complicated and big energy-consuming all, the manufacture of small-sized electric generating apparatus, reclaims and improperly all can cause very large harm to environment.Therefore, the Technology Need that we are present, the self power generation of generating electricity, to improve electricity usage efficiency, reduces electric power conveying process, reduces costs instant our the needed electric energy that obtains from life.
The development of microelectronics and micro-fabrication technology makes the micro-systems such as wireless sense network and microactrator be widely used in environmental monitoring, body and is implanted into biochip, automobile, building, the key areas such as military.Along with going deep into of research, the pursuit to function of MEMS is more and more stronger, more and more lower to the requirement of power consumption, the research that volume and size have been entered to nanoscale.
Nanometer technology, as the important emerge science technical field of 21 century, is just experiencing high speed development in theory and practice.A large amount of novel nano device and materials are constantly developed, for people's life brings more facility.Meanwhile, also from microelectric technique research aspect for we have brought the clean technologies that solve energy crisis.
Yet Nano-technology Development is to today, large quantity research is all to concentrate on to develop high sensitivity, high performance nano-device, almost without any the research of the power-supply system about nanoscale.But the nano-sensor that is applied to the aspects such as biological national defence is urgent all the more because of the lifting of technology to the demand of this power supply.In general the power supply of these devices is all directly or indirectly to derive from battery.Sensor can provide power supply to oneself from own in object, thereby the miniaturization that simultaneously realizes device and power supply is the target of researcher's Recent study.
Since Curie brother finds that in quartz crystal piezo-electric effect starts, people are just devoted to mechanical energy to be converted into the research of electric energy always.Conventional piezoelectric, because of its electric property, although can form potential change, can not form the Schottky barrier with unilateral conduction as metal, thereby can not reach this process of release that gathers of energy.Thereby piezoelectric circuit generally needs a complicated external circuits to complete the output of electric energy now.And conventional piezoelectric causes piezoelectric structure can not accomplish miniaturization because crystal structure is too complicated, say nothing of the high-quality piezoelectric structure of nanoscale.But when the metal oxides such as zinc oxide and silica enter after the research category of piezoelectric fabric, its simple chemical composition and crystal structure bring up the easy control of its purity, size, pattern.Its electric conductivity as metal oxide and as the power generation performance of piezoelectric excellence, becomes rapidly the important materials of current piezoelectric research.
The scientist Wang Zhonglin leader's of Chinese origin of the georgia ,u.s.a Institute of Technology in 2006 scientific research group develops a kind of novel plated zinc oxide nanofiber that can produce electric energy, and at motor driving because piezo-electric effect produces electric energy; The U.S. in 2011 and Chinese scientist's joint study have gone out take zinc oxide nanowire as a kind of piezoelectric nano generator on basis, realized on nanoscale mechanical energy is converted into electric energy.But present material, because of the sharply reduction mediocre and efficiency under wet environment of its overall work efficiency, can not come into operation well.
Summary of the invention
Order of the present invention is to provide the preparation method of a kind of bacteria cellulose base generating fiber and yarn.The prepared nanometer bacteria cellulose base of the present invention generating fiber and yarn can be applied to environmental monitoring, body and be implanted into biochip, automobile, building, the important field that needs microdevice miniature self-generating source corresponding thereto such as military.
For achieving the above object, the technical solution used in the present invention is as follows:
The preparation method of bacteria cellulose base generating fiber of the present invention, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10 mm ~ 100 m/ minutes;
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by;
(3) bacteria cellulose superfine fibre bar is carried out to any one metal vacuum splash coating preliminary treatment in metal gold, silver, copper, aluminium, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 60-100 ℃ of thermal environment, place, stand-by;
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance.
The diameter of the gripping roller using in step (1) is 20 ~ 3000mm, is preferably 50 ~ 1000mm.
The moisture content of the bacteria cellulose super fiber of processing through press filtration in step (2) is between 15% ~ 50000%, and the diameter of superfine fibre is at 10 ~ 500nm, and superfine fibre length is between 200nm ~ 200mm.
The moisture content of the bacteria cellulose super fiber of processing through press filtration in step (2) is preferably between 50% ~ 5000%, and the diameter of superfine fibre is preferably at 30 ~ 300nm, and superfine fibre length is preferably between 500nm ~ 100mm.
Amine salt solution described in step (4) is a kind of of hexa, urea, ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine solution or their mixed solution, in solution, amine ion concentration is 0.01mol/L, bacteria cellulose B is 1:1-1:10 with the mass ratio of the amine salt solution of putting into, 20 ~ 100 ℃ of reaction temperatures, the reaction time is 2 ~ 72 hours.
Described in step (5), bacteria cellulose C is carried out to vacuum sputtering or vacuum evaporation or the vacuum magnetic-control sputtering coat of metal conductive processing that coat of metal conductive processing is any one metal in Pt, Au, Cu, Al, Zn or Ag.
Adopt bacteria cellulose base generating fiber spinning of the present invention to obtain bacteria cellulose base generating yarn of the present invention.
Adopt bacteria cellulose base generating fiber spinning of the present invention to obtain yarn.The made finished product of the present invention is bacteria cellulose base generating fiber and yarn, can carry out deep processing by existing weaving weaving technology.Can form the mechanical electrification component of different scales yardstick, be widely used in environmental monitoring, body and be implanted into biochip, automobile, building, the field that self power generation assembly is had to different size power requirement such as military.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10 mm ~ 100 m/ minutes; The diameter of the gripping roller using is 20 ~ 3000mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is between 15% ~ 50000%, and the diameter of superfine fibre is at 10 ~ 500nm, and superfine fibre length is between 200nm ~ 200mm.
(3) bacteria cellulose superfine fibre bar is carried out to any one metal vacuum splash coating preliminary treatment in metal gold, silver, copper, aluminium, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 60-100 ℃ of thermal environment, place, stand-by; Described amine salt solution is a kind of of hexa, urea, ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine solution or their mixed solution, in solution, amine ion concentration is 0.01mol/L, bacteria cellulose B is 1:1-1:10 with the mass ratio of the amine salt solution of putting into, 20 ~ 100 ℃ of reaction temperatures, the reaction time is 2 ~ 72 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described bacteria cellulose C is carried out to vacuum sputtering or vacuum evaporation or the vacuum magnetic-control sputtering coat of metal conductive processing that coat of metal conductive processing is any one metal in Pt, Au, Cu, Al, Zn or Ag.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 40nA through galvanometer.
Embodiment 2
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10 mm ~ 100 m/ minutes; The diameter of the gripping roller using is 50 ~ 1000mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is preferably between 50% ~ 5000%, and the diameter of superfine fibre is preferably at 30 ~ 300nm, and superfine fibre length is preferably between 500nm ~ 100mm.
(3) bacteria cellulose superfine fibre bar is carried out to any one metal vacuum splash coating preliminary treatment in metal gold, silver, copper, aluminium, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 60-100 ℃ of thermal environment, place, stand-by; Described amine salt solution is a kind of of hexa, urea, ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine solution or their mixed solution, in solution, amine ion concentration is 0.01mol/L, bacteria cellulose B is 1:1-1:10 with the mass ratio of the amine salt solution of putting into, 20 ~ 100 ℃ of reaction temperatures, the reaction time is 2 ~ 72 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described bacteria cellulose C is carried out to vacuum sputtering or vacuum evaporation or the vacuum magnetic-control sputtering coat of metal conductive processing that coat of metal conductive processing is any one metal in Pt, Au, Cu, Al, Zn or Ag.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 38nA through galvanometer.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 40nA through galvanometer.
Embodiment 3
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10 mm minutes; The diameter of the gripping roller using is 20mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is between 15%, and the diameter of superfine fibre is at 10 ~ 20nm, and superfine fibre length is between the nm of 200nm ~ 300.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of metallic gold vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 60 ℃ of thermal environments, place, stand-by; Described amine salt solution is hexa solution, and in solution, amine ion concentration is 0.01mol/L, and bacteria cellulose B is 1:1 with the mass ratio of the amine salt solution of putting into, 20 ℃ of reaction temperatures, and the reaction time is 72 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described bacteria cellulose C is carried out to the vacuum sputtering coating conductive processing that coat of metal conductive processing is Pt metal.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 36nA through galvanometer.
Embodiment 4
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 100 m/ minutes; The diameter of the gripping roller using is 2800 ~ 3000mm, is preferably 50 ~ 60mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is between 50000%, and the diameter of superfine fibre is at 480 ~ 500nm, and superfine fibre length is between 180 ~ 200mm.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of argent vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 100 ℃ of thermal environments, place, stand-by; Described amine salt solution is urea liquid, and in solution, amine ion concentration is 0.01mol/L, and bacteria cellulose B is 1:10 with the mass ratio of the amine salt solution of putting into, 100 ℃ of reaction temperatures, and the reaction time is 2 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described bacteria cellulose C is carried out to the vacuum evaporation coat of metal conductive processing that coat of metal conductive processing is Au.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 39nA through galvanometer.
Embodiment 5
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10m/ minute; The diameter of the gripping roller using is 200mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is preferably between 120%, and the diameter of superfine fibre is preferably at 60 ~ 70nm, and superfine fibre length is preferably between the nm of 800nm ~ 1200.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of metallic copper vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 80 ℃ of thermal environments, place, stand-by; Described amine salt solution is the mixed solution of hexa, urea, ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine solution, in solution, amine ion concentration is 0.01mol/L, bacteria cellulose B is 1:6 with the mass ratio of the amine salt solution of putting into, 36 ℃ of reaction temperatures, the reaction time is 12 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described coat of metal conductive processing that bacteria cellulose C is carried out is Al vacuum magnetic-control sputtering coat of metal conductive processing.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 35nA through galvanometer.
Embodiment 6
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 80 m/ minutes; The diameter of the gripping roller using is 800mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is preferably 3000%, and the diameter of superfine fibre is preferably at 200 ~ 250nm, and superfine fibre length is preferably between 50 ~ 60mm.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of golden aluminum metal vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 80 ℃ of thermal environments, place, stand-by; Described amine salt solution is the mixed solution of diethanol amine, triethanolamine solution, and in solution, amine ion concentration is 0.01mol/L, and bacteria cellulose B is 1:2 with the mass ratio of the amine salt solution of putting into, 30 ℃ of reaction temperatures, and the reaction time is 56 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described coat of metal conductive processing that bacteria cellulose C is carried out is A vacuum magnetic-control sputtering coat of metal conductive processing.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 36nA through galvanometer.
Embodiment 7
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 30 m/ minutes; The diameter of the gripping roller using is 500mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is preferably between 4000%, and the diameter of superfine fibre is preferably at 100 ~ 150nm, and superfine fibre length is preferably between 30 ~ 60mm.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of metallic aluminium vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 65 ℃ of thermal environments, place, stand-by; Described amine salt solution is urea liquid, and in solution, amine ion concentration is 0.01mol/L, and bacteria cellulose B is 1:8 with the mass ratio of the amine salt solution of putting into, 65 ℃ of reaction temperatures, and the reaction time is 12 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described coat of metal conductive processing that bacteria cellulose C is carried out is Zn vacuum sputtering coat of metal conductive processing.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 34nA through galvanometer.
Embodiment 8
The preparation method of the bacteria cellulose base generating fiber of the present embodiment, its special type is, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 30m/ minute; The diameter of the gripping roller using is 600mm.
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by; The moisture content of the bacteria cellulose super fiber of processing through press filtration is preferably between 80%, and the diameter of superfine fibre is preferably at 50 ~ 80nm, and superfine fibre length is preferably between 50 ~ 60mm.
(3) bacteria cellulose superfine fibre bar is carried out to the preliminary treatment of metallic copper vacuum sputtering coating, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 65 ℃ of thermal environments, place, stand-by; Described amine salt solution is the mixed solution of urea, ammonia spirit, and in solution, amine ion concentration is 0.01mol/L, and bacteria cellulose B is 1:6 with the mass ratio of the amine salt solution of putting into, 75 ℃ of reaction temperatures, and the reaction time is 68 hours.
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance, described coat of metal conductive processing that bacteria cellulose C is carried out is Ag vacuum magnetic-control sputtering coat of metal conductive processing.
The bacteria cellulose base generating fiber spinning that employing obtains obtains bacteria cellulose base generating yarn of the present invention.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 38nA through galvanometer.
embodiment 9
Bacteria cellulose by after bleaching, feeds between the gripping roller that a pair of diameter is 20mm according to the speed of 10mm.Then through the surperficial needle-like combing of the spiked roller through formation such as needle-like, superhard, elastic stainless steel silk or B alloy wire polishing wheels acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre.Bacteria cellulose super fiber moisture content after vacuum freeze drying is processed is 3%, and diameter is 400nm, and length is 150mm.Then by the preliminary treatment of bacteria cellulose super fiber metallic gold vacuum sputtering coating, and then carry out vacuum evaporation metallic zinc, form bacteria cellulose fibre B.Bacteria cellulose B is put into the amine salt solution of 80 degrees Celsius of constant temperature according to the mass ratio of 1:1, react and form bacteria cellulose fibre C after 36 hours.Bacteria cellulose fibre C is carried out after the plating of vacuum gold steam is processed obtaining bacteria cellulose base generating fiber and yarn.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 35nA through galvanometer.
embodiment 10
Bacteria cellulose by after bleaching, feeds between the gripping roller that a pair of diameter is 50mm according to the speed of 30mm.Then through the surperficial needle-like combing of the spiked roller through formation such as needle-like, superhard, elastic stainless steel silk or B alloy wire polishing wheels acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre.Through the pretreated bacteria cellulose super fiber of vacuum refrigeration moisture content, be 2%, diameter is 320nm, and length is 150mm.Then by the preliminary treatment of bacteria cellulose super fiber argent vacuum sputtering coating, and then carry out vacuum sputtering metallic zinc, form bacteria cellulose fibre B.Bacteria cellulose B is put into the amine salt solution of 85 degrees Celsius of constant temperature according to the mass ratio of 1:1, react and form bacteria cellulose fibre C after 48 hours.Bacteria cellulose fibre C is carried out can obtaining bacteria cellulose base generating fiber and yarn after the processing of vacuum sputtering silver metal.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 40nA through galvanometer.
Embodiment 11
Bacteria cellulose by after bleaching, feeds between the gripping roller that a pair of diameter is 80mm according to the speed of 50mm.Then through the surperficial needle-like combing of the spiked roller through formation such as needle-like, superhard, elastic stainless steel silk or B alloy wire polishing wheels acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre.Bacteria cellulose super fiber moisture content after vacuum freeze drying is processed is 3%, and diameter is 250nm, and length is 150mm.Then by the preliminary treatment of bacteria cellulose super fiber metallic copper vacuum sputtering coating, and then carry out vacuum magnetic-control sputtering metallic zinc, form bacteria cellulose fibre B.Bacteria cellulose B is put into the amine salt solution of 90 degrees Celsius of constant temperature according to the mass ratio of 1:1, react and form bacteria cellulose fibre C after 60 hours.Bacteria cellulose fibre C is carried out can obtaining bacteria cellulose base generating fiber and yarn after the processing of vacuum magnetic-control sputtering copper.The yarn of one section of 10 centimeter length, under ultrasonic oscillation disposition, detects the current output signal of 38nA through galvanometer.
Claims (6)
1. a preparation method for bacteria cellulose base generating fiber, is characterized in that, comprises the steps:
(1) bacterial cellulose wet-coating after bleaching is placed between a pair of gripping roller, according to the speed feeding of 10 mm ~ 100 m/ minutes;
(2) from the cellulose membrane of exporting between roller, through licker-in surface acupuncture, puncture at a high speed, isolate and combing effect, bacterial cellulose wet-coating is become to bacteria cellulose fibre; Bacteria cellulose fibre is processed through filter press press filtration, prepared bacteria cellulose superfine fibre bar; Take out postlyophilization, stand-by;
(3) bacteria cellulose superfine fibre bar is carried out to any one metal vacuum splash coating preliminary treatment in metal gold, silver, copper, aluminium, and then carry out zinc vacuum sputtering or vapor deposition treatment, obtain bacteria cellulose B, take out stand-by;
(4) bacteria cellulose B is put into amine salt solution, described amine salt solution is a kind of of hexa, urea, ammoniacal liquor, monoethanolamine, diethanol amine, triethanolamine solution or their mixed solution, reaction a period of time, form bacteria cellulose C, take out postlyophilization, then in 60-100 ℃ of thermal environment, place, stand-by;
(5) bacteria cellulose C is carried out to coat of metal conductive processing; Prepare the bacteria cellulose fibre with power generation performance.
2. the preparation method of bacteria cellulose base generating fiber according to claim 1, is characterized in that: the diameter of the gripping roller using in step (1) is 20 ~ 3000mm.
3. the preparation method of bacteria cellulose base generating fiber according to claim 2, is characterized in that: the diameter of the gripping roller using in step (1) is 50 ~ 1000mm.
4. the preparation method of bacteria cellulose base according to claim 1 generating fiber, it is characterized in that: in the amine salt solution described in step (4), amine ion concentration is 0.01mol/L, bacteria cellulose B is 1:1-1:10 with the mass ratio of the amine salt solution of putting into, 20 ~ 100 ℃ of reaction temperatures, the reaction time is 2 ~ 72 hours.
5. the preparation method of bacteria cellulose base according to claim 1 generating fiber, is characterized in that: described in step (5), bacteria cellulose C is carried out to vacuum sputtering or the vacuum evaporation coat of metal conductive processing that coat of metal conductive processing is any one metal in Pt, Au, Cu, Al, Zn or Ag.
6. a preparation method for bacteria cellulose base generating yarn, is characterized in that: adopt bacteria cellulose base generating fiber spinning claimed in claim 1 to obtain yarn.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210412670.5A CN102899888B (en) | 2012-10-25 | 2012-10-25 | Preparation method of bacterial cellulose base power generating fibers and yarns |
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| CN201210412670.5A CN102899888B (en) | 2012-10-25 | 2012-10-25 | Preparation method of bacterial cellulose base power generating fibers and yarns |
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| CN102899888A CN102899888A (en) | 2013-01-30 |
| CN102899888B true CN102899888B (en) | 2014-09-03 |
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| CN102392344A (en) * | 2011-07-08 | 2012-03-28 | 中国科学院理化技术研究所 | Method for preparing medical high molecular material by magnetron sputtering technology |
| CN102391535A (en) * | 2011-09-09 | 2012-03-28 | 南京理工大学 | Bacterial cellulose conductive thin film and preparation method thereof |
| CN102634068A (en) * | 2012-04-25 | 2012-08-15 | 东华大学 | Method and device for preparing functional nanoparticle/bacterial cellulose composite membranes |
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| CN102392344A (en) * | 2011-07-08 | 2012-03-28 | 中国科学院理化技术研究所 | Method for preparing medical high molecular material by magnetron sputtering technology |
| CN102391535A (en) * | 2011-09-09 | 2012-03-28 | 南京理工大学 | Bacterial cellulose conductive thin film and preparation method thereof |
| CN102634068A (en) * | 2012-04-25 | 2012-08-15 | 东华大学 | Method and device for preparing functional nanoparticle/bacterial cellulose composite membranes |
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